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» Searching Without a Heuristic: Efficient Use of Abstraction
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DOLAP
2003
ACM
14 years 1 months ago
Spatial hierarchy and OLAP-favored search in spatial data warehouse
Data warehouse and Online Analytical Processing(OLAP) play a key role in business intelligent systems. With the increasing amount of spatial data stored in business database, how ...
Fangyan Rao, Long Zhang, Xiulan Yu, Ying Li, Ying ...
ICCAD
2001
IEEE
144views Hardware» more  ICCAD 2001»
14 years 4 months ago
Faster SAT and Smaller BDDs via Common Function Structure
The increasing popularity of SAT and BDD techniques in verification and synthesis encourages the search for additional speed-ups. Since typical SAT and BDD algorithms are exponent...
Fadi A. Aloul, Igor L. Markov, Karem A. Sakallah
SIGMOD
1996
ACM
132views Database» more  SIGMOD 1996»
13 years 12 months ago
Cost-Based Optimization for Magic: Algebra and Implementation
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
Praveen Seshadri, Joseph M. Hellerstein, Hamid Pir...
AE
2009
Springer
13 years 9 months ago
Memetic Algorithms for Constructing Binary Covering Arrays of Strength Three
Abstract. This paper presents a new Memetic Algorithm (MA) designed to compute near-optimal solutions for the covering array construction problem. It incorporates several distingui...
Eduardo Rodriguez-Tello, Jose Torres-Jimenez
EDBT
2009
ACM
134views Database» more  EDBT 2009»
13 years 11 months ago
Caching content-based queries for robust and efficient image retrieval
In order to become an effective complement to traditional Web-scale text-based image retrieval solutions, content-based image retrieval must address scalability and efficiency iss...
Fabrizio Falchi, Claudio Lucchese, Salvatore Orlan...